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Duplex (2 Units, Any Combination)Residential
Last sold for $440,000 on May 22, 2020

320 S MARK ST

BOISE, ID 83705
3
Beds
2.5
Baths
2,300 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$440,000 · May 22, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,779 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$515,900 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$517,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$515,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyADA
Lot (acres)The size of the land the home sits on, from county records.0.16
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 539 ft²

Transaction History(7)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
South Junior High SchoolD+
Middle · Grades 7–9 · 0.3 mi
E
Jefferson Elementary SchoolD+
Elementary · Grades PK–6 · 0.3 mi
H
Borah Senior High SchoolC-
High · Grades 9–12 · 1.9 mi

District: Boise City Independent School District 1

Neighborhood · ZIP 83705These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.141
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.29,837
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,213 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,353
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,833
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.64%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

320 S Mark St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Bigger than 87% of homes in Boise 83705
  • Has a smaller lot than 67% of homes in Ada County
  • Older than 90% of homes in Ada County

How it measures up in Boise 83705

The dot is this home. The mark in the middle is the typical home in Boise 83705.

Living area2,300 ft²
SmallerTypical 1,433 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.16 ac
SmallerTypical 0.18 acBigger

Bigger than 43% of homes nearby

Year built1959
OlderTypical 1960Newer

Newer than 49% of homes nearby

How 320 S Mark St ranks against every home in each area.
MeasureThis homeDepot BenchBoise 83705Ada County
Living areabigger than2,300 ft²81% of homes87% of homes66% of homes
Lot sizebigger than0.16 ac39% of homes43% of homes33% of homes
Year builtnewer than195973% of homes49% of homes10% of homes

About 320 S Mark St

When did 320 S Mark St, Boise, ID last sell?

320 S Mark St, Boise, ID last sold on May 22, 2020 for $440,000, according to the county's recorded deed.

How big is 320 S Mark St, Boise, ID?

320 S Mark St, Boise, ID has 3 bedrooms, 2.5 bathrooms, 2,300 square feet of living space and a 0.16-acre lot.

When was 320 S Mark St, Boise, ID built?

320 S Mark St, Boise, ID was built in 1959, making it 67 years old. It is a conventional home. The building has 1 story.

What schools serve 320 S Mark St, Boise, ID?

320 S Mark St, Boise, ID is assigned to South Junior High School (middle), rated D+; Jefferson Elementary School (elementary), rated D+; Borah Senior High School (high), rated C-. All sit in Boise City Independent School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 320 S Mark St, Boise, ID compare to other homes in Boise 83705?

Among the 9,165 homes in Boise 83705, it is bigger than 87% of them (2,300 ft² against a typical 1,433 ft²), its lot is bigger than 43% of them (0.16 ac against a typical 0.18 ac) and it is newer than 49% of them (1959 against a typical 1960). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 320 S Mark St, Boise, ID?

The 2025 property tax bill for 320 S Mark St, Boise, ID was $4,779. The county assessed it at $515,900.

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